Abstract: An index tab comprised of a unitary strip of material folded upon itself to form two slightly spaced and oppositely located walls in approximately parallel relationship joined at a fold line at the top end thereof and the walls each terminating in a bottom end. Attaching means in the form of a doubled strip of flexible material arranged lengthwise within the unitary strip is provided with its sides secured directly to the walls below the top end of the unitary strip, and the lower end of each of the sides extending beyond the bottom end of each of the walls and forming a pair of arms. The inner surface of each one of the arms is coated with an adhesive material. Guard means is interposed between the arms and in face-to-face contacting relation with the adhesive coated surface of the arms.